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444040140012131 = 13191797733360373
BaseRepresentation
bin110010011110110100010011…
…0110011111011101001100011
32011020012211012211101201102102
41210331220212303323221203
5431200123201320342011
64212221120233041015
7162346561420333565
oct14475504663735143
92136184184351372
10444040140012131
11119537402a30583
1241975b5455616b
131609ca619a61c0
147b9192c079335
153650782c4773b
hex193da26cfba63

444040140012131 has 8 divisors (see below), whose sum is σ = 503365340904720. Its totient is φ = 388310405840352.

The previous prime is 444040140012127. The next prime is 444040140012137. The reversal of 444040140012131 is 131210041040444.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 444040140012131 - 22 = 444040140012127 is a prime.

It is a super-2 number, since 2×4440401400121312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 444040140012094 and 444040140012103.

It is not an unprimeable number, because it can be changed into a prime (444040140012137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 898866679940 + ... + 898866680433.

It is an arithmetic number, because the mean of its divisors is an integer number (62920667613090).

Almost surely, 2444040140012131 is an apocalyptic number.

444040140012131 is a deficient number, since it is larger than the sum of its proper divisors (59325200892589).

444040140012131 is a wasteful number, since it uses less digits than its factorization.

444040140012131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797733360405.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 444040140012131 its reverse (131210041040444), we get a palindrome (575250181052575).

The spelling of 444040140012131 in words is "four hundred forty-four trillion, forty billion, one hundred forty million, twelve thousand, one hundred thirty-one".

Divisors: 1 13 19 247 1797733360373 23370533684849 34156933847087 444040140012131